Home / 986,627,325.27-1,479,456,709.56-488,061,800.40

Finding the Fourth Proportional to 986,627,325.27, 1,479,456,709.56 and 488,061,800.40

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Solution

The fourth proportional to 986,627,325.27, 1,479,456,709.56 and 488,061,800.40 is: 731,853,139.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,627,325.27 : 1,479,456,709.56 = 488,061,800.40 : x
  2. Step 2: Convert to fraction form
    986,627,325.27/1,479,456,709.56 = 488,061,800.40/x
  3. Step 3: Cross multiply
    986,627,325.27x = 1,479,456,709.56 × 488,061,800.40
  4. Step 4: Simplify right side
    986,627,325.27x = 722,066,305,281,713,408
  5. Step 5: Solve for x
    x = 722,066,305,281,713,408/986,627,325.27
  6. Step 6: Final answer
    x = 731,853,139.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.